20329810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1597}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 39119040

約数和(自身を除く): 18789230

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 1597, 2546, 3194, 6365, 7985, 12730, 15970, 30343, 60686, 106999, 151715, 213998, 303430, 534995, 1069990, 2032981, 4065962, 10164905, 20329810]

約数ペア:

[(1, 20329810), (2, 10164905), (5, 4065962), (10, 2032981), (19, 1069990), (38, 534995), (67, 303430), (95, 213998), (134, 151715), (190, 106999), (335, 60686), (670, 30343), (1273, 15970), (1597, 12730), (2546, 7985), (3194, 6365)]